Update git version

Change-Id: I0eb5872c9f0b070eb874a9e1a0bb3277d9df982f
(cherry picked from commit 62f604ad5492948b5c4f8ca7c33383b7ce717f11)
diff --git a/ansible/roles/buildtools/defaults/main.yml b/ansible/roles/buildtools/defaults/main.yml
index cd009a1..f7d118b 100644
--- a/ansible/roles/buildtools/defaults/main.yml
+++ b/ansible/roles/buildtools/defaults/main.yml
@@ -1,4 +1,4 @@
 apt_packages:
   - maven
-  - git=1:2.13*
+  - git=1:2.14*
   - libxml-xpath-perl